2022 Volume 64 Issue 5 Pages 1106-1111
A 62 year-old man underwent a gastroscopy for the purpose of an annual checkup. A 6-mm protrusion lesion in the middle of his thoracic esophagus was detected, and biopsy revealed squamous cell carcinoma. For endoscopic therapy, he was referred to our hospital. About one month later, we tried to operate via endoscopic submucosal resection (ESD) and discovered that the protrusion had enlarged remarkably by 20mm. ESD was still carried out and the pathological evaluation confirmed esophageal carcinosarcoma. In general, carcinosarcomas are detected when the tumor grows considerably large; at this point, the patient will likely experience chest discomfort or dysphagia. In this case report, however, the protrusion was considerably smaller and the patient had no complaints, but the tumor had been growing rapidly for about a month already. It is unusual to detect carcinosarcomas that are small in size, but we should anticipate this disease when we observe a protrusion lesion with fur in the esophagus.
